/*-
 * Copyright (c) 2011 Michihiro NAKAJIMA
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#include "test.h"
__FBSDID("$FreeBSD");

#include <locale.h>

/*
 * The sample tar file was made in LANG=KOI8-R and it contains two
 * files the charset of which are different.
 * - the filename of first file is stored in BINARY mode.
 * - the filename of second file is stored in UTF-8.
 *
 * Whenever hdrcharset option is specified, we will correctly read the
 * filename of second file, which is stored in UTF-8 by default.
 */

static void
test_read_format_tar_filename_KOI8R_CP866(const char *refname)
{
	struct archive *a;
	struct archive_entry *ae;

	/*
 	* Read filename in ru_RU.CP866 with "hdrcharset=KOI8-R" option.
 	* We should correctly read two filenames.
	*/
	if (NULL == setlocale(LC_ALL, "Russian_Russia.866") &&
	    NULL == setlocale(LC_ALL, "ru_RU.CP866")) {
		skipping("ru_RU.CP866 locale not available on this system.");
		return;
	}

	/* Test if the platform can convert from UTF-8. */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_tar(a));
	if (ARCHIVE_OK != archive_read_set_options(a, "hdrcharset=UTF-8")) {
		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
		skipping("This system cannot convert character-set"
		    " from UTF-8 to CP866.");
		return;
	}
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	if (ARCHIVE_OK != archive_read_set_options(a, "hdrcharset=KOI8-R")) {
		skipping("This system cannot convert character-set"
		    " from KOI8-R to CP866.");
		goto next_test;
	}
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_read_open_filename(a, refname, 10240));

	/* Verify regular first file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\x8f\x90\x88\x82\x85\x92",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));

	/* Verify regular second file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xaf\xe0\xa8\xa2\xa5\xe2",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));


	/* End of archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	/* Verify archive format. */
	assertEqualIntA(a, ARCHIVE_FILTER_COMPRESS, archive_filter_code(a, 0));
	assertEqualIntA(a, ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE,
	    archive_format(a));

	/* Close the archive. */
	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
next_test:
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));


	/*
	 * Read filename in ru_RU.CP866 without "hdrcharset=KOI8-R" option.
	 * The filename we can properly read is only second file.
	 */

	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_read_open_filename(a, refname, 10240));

	/*
	 * Verify regular first file.
	 * The filename is not translated to CP866 because hdrcharset
	 * attribute is BINARY and there is not way to know its charset.
	 */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	/* A filename is in KOI8-R. */
	assertEqualString("\xf0\xf2\xe9\xf7\xe5\xf4",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));

	/*
	 * Verify regular second file.
	 * The filename is translated from UTF-8 to CP866
	 */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xaf\xe0\xa8\xa2\xa5\xe2",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));


	/* End of archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	/* Verify archive format. */
	assertEqualIntA(a, ARCHIVE_FILTER_COMPRESS, archive_filter_code(a, 0));
	assertEqualIntA(a, ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE,
	    archive_format(a));

	/* Close the archive. */
	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}

static void
test_read_format_tar_filename_KOI8R_UTF8(const char *refname)
{
	struct archive *a;
	struct archive_entry *ae;

	/*
	 * Read filename in en_US.UTF-8 with "hdrcharset=KOI8-R" option.
	 * We should correctly read two filenames.
	 */
	if (NULL == setlocale(LC_ALL, "en_US.UTF-8")) {
		skipping("en_US.UTF-8 locale not available on this system.");
		return;
	}

	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	if (ARCHIVE_OK != archive_read_set_options(a, "hdrcharset=KOI8-R")) {
		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
		skipping("This system cannot convert character-set"
		    " from KOI8-R to UTF-8.");
		return;
	}
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_read_open_filename(a, refname, 10240));

	/* Verify regular file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xd0\x9f\xd0\xa0\xd0\x98\xd0\x92\xd0\x95\xd0\xa2",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));

	/* Verify regular file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xd0\xbf\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));


	/* End of archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	/* Verify archive format. */
	assertEqualIntA(a, ARCHIVE_FILTER_COMPRESS, archive_filter_code(a, 0));
	assertEqualIntA(a, ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE,
	    archive_format(a));

	/* Close the archive. */
	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	/*
	 * Read filename in en_US.UTF-8 without "hdrcharset=KOI8-R" option.
	 * The filename we can properly read is only second file.
	 */

	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_read_open_filename(a, refname, 10240));

	/*
	 * Verify regular first file.
	 * The filename is not translated to UTF-8 because hdrcharset
	 * attribute is BINARY and there is not way to know its charset.
	 */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	/* A filename is in KOI8-R. */
	assertEqualString("\xf0\xf2\xe9\xf7\xe5\xf4",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));

	/*
	 * Verify regular second file.
	 */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xd0\xbf\xd1\x80\xd0\xb8\xd0\xb2\xd0\xb5\xd1\x82",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));


	/* End of archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	/* Verify archive format. */
	assertEqualIntA(a, ARCHIVE_FILTER_COMPRESS, archive_filter_code(a, 0));
	assertEqualIntA(a, ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE,
	    archive_format(a));

	/* Close the archive. */
	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}

static void
test_read_format_tar_filename_KOI8R_CP1251(const char *refname)
{
	struct archive *a;
	struct archive_entry *ae;

	/*
 	* Read filename in CP1251 with "hdrcharset=KOI8-R" option.
 	* We should correctly read two filenames.
	*/
	if (NULL == setlocale(LC_ALL, "Russian_Russia") &&
	    NULL == setlocale(LC_ALL, "ru_RU.CP1251")) {
		skipping("CP1251 locale not available on this system.");
		return;
	}

	/* Test if the platform can convert from UTF-8. */
	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_tar(a));
	if (ARCHIVE_OK != archive_read_set_options(a, "hdrcharset=UTF-8")) {
		assertEqualInt(ARCHIVE_OK, archive_read_free(a));
		skipping("This system cannot convert character-set"
		    " from UTF-8 to CP1251.");
		return;
	}
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	if (ARCHIVE_OK != archive_read_set_options(a, "hdrcharset=KOI8-R")) {
		skipping("This system cannot convert character-set"
		    " from KOI8-R to CP1251.");
		goto next_test;
	}
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_read_open_filename(a, refname, 10240));

	/* Verify regular first file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xcf\xd0\xc8\xc2\xc5\xd2",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));

	/* Verify regular second file. */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xef\xf0\xe8\xe2\xe5\xf2",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));


	/* End of archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	/* Verify archive format. */
	assertEqualIntA(a, ARCHIVE_FILTER_COMPRESS, archive_filter_code(a, 0));
	assertEqualIntA(a, ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE,
	    archive_format(a));

	/* Close the archive. */
	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
next_test:
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));

	/*
	 * Read filename in CP1251 without "hdrcharset=KOI8-R" option.
	 * The filename we can properly read is only second file.
	 */

	assert((a = archive_read_new()) != NULL);
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_filter_all(a));
	assertEqualIntA(a, ARCHIVE_OK, archive_read_support_format_all(a));
	assertEqualIntA(a, ARCHIVE_OK,
	    archive_read_open_filename(a, refname, 10240));

	/*
	 * Verify regular first file.
	 * The filename is not translated to CP1251 because hdrcharset
	 * attribute is BINARY and there is not way to know its charset.
	 */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	/* A filename is in KOI8-R. */
	assertEqualString("\xf0\xf2\xe9\xf7\xe5\xf4",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));

	/*
	 * Verify regular second file.
	 */
	assertEqualIntA(a, ARCHIVE_OK, archive_read_next_header(a, &ae));
	assertEqualString("\xef\xf0\xe8\xe2\xe5\xf2",
	    archive_entry_pathname(ae));
	assertEqualInt(6, archive_entry_size(ae));


	/* End of archive. */
	assertEqualIntA(a, ARCHIVE_EOF, archive_read_next_header(a, &ae));

	/* Verify archive format. */
	assertEqualIntA(a, ARCHIVE_FILTER_COMPRESS, archive_filter_code(a, 0));
	assertEqualIntA(a, ARCHIVE_FORMAT_TAR_PAX_INTERCHANGE,
	    archive_format(a));

	/* Close the archive. */
	assertEqualInt(ARCHIVE_OK, archive_read_close(a));
	assertEqualInt(ARCHIVE_OK, archive_read_free(a));
}


DEFINE_TEST(test_read_format_tar_filename)
{
	const char *refname = "test_read_format_tar_filename_koi8r.tar.Z";

	extract_reference_file(refname);
	test_read_format_tar_filename_KOI8R_CP866(refname);
	test_read_format_tar_filename_KOI8R_UTF8(refname);
	test_read_format_tar_filename_KOI8R_CP1251(refname);
}